Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 15:45

General

  • Target

    2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe

  • Size

    39KB

  • MD5

    c7370437e1a8f07e8460d6aca0028163

  • SHA1

    32970bb3d678142edd87d8c4e8bc43cb7d75c96c

  • SHA256

    6094215f3978ad2f20b20fc27781b87921efe6710c2a33834c43108dd2d29685

  • SHA512

    2c779e16b63de6e63c1829e53c5b5d516cddef894e168361f8562eee939d699c056d6b56ce1bf73f4f259cc1e8d2514d7dce4c330493bb48df1efcd107e31af3

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDbj:ZzFbxmLPWQMOtEvwDpjLeJAsKcbj

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-21_c7370437e1a8f07e8460d6aca0028163_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    40KB

    MD5

    9d267df8ed8a59e85493a2e4892487e2

    SHA1

    d5257e9d2b7ebaa00ad4c999b2c5cb9b3791fac3

    SHA256

    bb069d37510276d71b6d63232915de3042c6250bc0323b790bf17ffbbb929d9b

    SHA512

    adbba6f627704ff6ee79a458e0b2b66ceaf062df630c91e372a2349ea7c7c7cd97d0456630bb5ebaa91aff1ae3dd23a602b7af57ab81e5fc9106b06ce84e607f

  • memory/2248-0-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB

  • memory/2248-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2248-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2248-3-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2556-16-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2556-24-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2556-23-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB